US Patent 9870466 Hardware-enforced code paths

There is disclosed in one example, a computing apparatus, including: first one or more logic elements providing a code module, the code module comprising a member having a branching policy designating either a public or private member; second one or more logic elements providing a policy engine, operable to: receive a first branch instruction to the member; determine that the branch instructions does not meet the policy; and take a security action. There is also disclosed a method of providing a policy engine, and a computer-readable medium having stored thereon executable instructions for providing a policy engine.